Conveyor-type system for generating electricity from water...
Cooling system for a generator in a tank surrounded by...
Current and tidal current motor
Current motor
Current motor
Current motor
Current motor
Current motor
Dam with suspended hydroelectric station
Damper and damping structure for a wave energy conversion...
Damping shoes for wicket gates used on reversible pump-turbine
Darrieus waterwheel turbine
De-aeration of sealing fluid in aerated rotary fluid machines
De-watering device for adjustable blade rotary hydraulic...
Decorative waterfall supplied by a water wheel activated by...
Deployment apparatus for submerged power plant
Design portable tide gravity electric generator
Detachable seal for hydraulic machines
Device and method for suction pipe
Device and system for producing regenerative and renewable...